Trigger Point Injection
Catherine Burt Driver, MD
Catherine Burt Driver, MD, is board certified in internal medicine and rheumatology by the American Board of Internal Medicine. Dr. Driver is a member of the American College of Rheumatology. She currently is in active practice in the field of rheumatology in Mission Viejo, Calif., where she is a partner in Mission Internal Medical Group.
William C. Shiel Jr., MD, FACP, FACR
Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.
- Trigger point injection (TPI) facts
- What is a trigger point?
- What's a trigger point injection?
- How is the trigger point injection procedure performed?
- When is a trigger point injection used?
- What are complications and side effects of trigger point injections?
- How frequently do trigger point injections need to be administered?
- Patient Comments: Trigger Point Injection - Side Effects
Trigger point injection (TPI) facts
- Trigger points are focal areas of muscle spasm, often located in the upper back and shoulder areas.
- A trigger point injection involves the injection of medication directly into the trigger point.
- Trigger point injections can be used to treat a number of conditions including fibromyalgia, tension headache, and myofascial pain syndrome.
What is a trigger point?
Trigger points are focal areas of spasm and inflammation in skeletal muscle. The rhomboid and trapezius back muscles, located in the upper back and shoulder areas, are a common site of trigger points. In addition to the upper spine, trigger points can also occur in the low back or less commonly in the extremities.
Often there is a palpable nodule in the muscle where the trigger point is located. The area is tender, and frequently when pushed, pain radiates from the trigger point itself to an area around the trigger point. Trigger points commonly accompany chronic musculoskeletal disorders such as fibromyalgia, myofascial pain syndrome, neck pain, and low back pain. They may also occur with tension headache and temporomandibular pain. Acute trauma or repetitive minor injury can lead to the development of trigger points.
Viewers share their comments
Chronic Pain/Back Pain
Find tips and advances in treatment.